#include <vtkActor.h>
#include <vtkCamera.h>
#include <vtkLookupTable.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPoints.h>
#include <vtkPolyDataMapper.h>
#include <vtkPolyhedron.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSmartPointer.h>

namespace
{
    vtkSmartPointer<vtkPolyhedron> MakeDodecahedron();
}
int main()
{
    vtkNew<vtkNamedColors> colors;
    // 函数返回一个智能指针
    auto dodecahedron = MakeDodecahedron();

    vtkNew<vtkPolyDataMapper> mapper;
    mapper->SetInputData(dodecahedron->GetPolyData());

    vtkNew<vtkActor> actor;
    actor->SetMapper(mapper);
    actor->GetProperty()->SetColor(colors->GetColor3d("PapayaWhip").GetData());

    vtkNew<vtkRenderer> renderer;
    vtkNew<vtkRenderWindow> renderWindow;
    renderWindow->SetWindowName("Dodecahedron");
    renderWindow->AddRenderer(renderer);
    renderWindow->SetSize(640,480);
    vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
    renderWindowInteractor->SetRenderWindow(renderWindow);

    renderer->AddActor(actor);
    renderer->SetBackground(colors->GetColor3d("CadetBlue").GetData());
    renderer->GetActiveCamera()->Azimuth(30); // 旋转
    renderer->GetActiveCamera()->Elevation(30);

    renderer->ResetCamera();

    renderWindow->Render();
    renderWindowInteractor->Start();
    return 0;
}

//创建十二面体的过程
namespace
{
    vtkSmartPointer<vtkPolyhedron> MakeDodecahedron()
    {
        vtkSmartPointer<vtkPolyhedron> aDodecahedron = vtkSmartPointer<vtkPolyhedron>::New();
        for (int i = 0; i < 20; ++i)
        {
            aDodecahedron->GetPointIds()->InsertNextId(i);
        }
        
        aDodecahedron->GetPoints()->InsertNextPoint(1.21412, 0, 1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(0.375185, 1.1547, 1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(-0.982247, 0.713644, 1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(-0.982247, -0.713644, 1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(0.375185, -1.1547, 1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(1.96449, 0, 0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(0.607062, 1.86835, 0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(-1.58931, 1.1547, 0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(-1.58931, -1.1547, 0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(0.607062, -1.86835, 0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(1.58931, 1.1547, -0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(-0.607062, 1.86835, -0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(-1.96449, 0, -0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(-0.607062, -1.86835, -0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(1.58931, -1.1547, -0.375185);
        aDodecahedron->GetPoints()->InsertNextPoint(0.982247, 0.713644, -1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(-0.375185, 1.1547, -1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(-1.21412, 0, -1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(-0.375185, -1.1547, -1.58931);
        aDodecahedron->GetPoints()->InsertNextPoint(0.982247, -0.713644, -1.58931);
        vtkIdType faces[73] = {12,                    // number of faces
                         5,  0,  1,  2,  3,  4, // number of ids on face, ids
                         5,  0,  5,  10, 6,  1,  5,  1,  6,  11, 7,  2,  5,  2,
                         7,  12, 8,  3,  5,  3,  8,  13, 9,  4,  5,  4,  9,  14,
                         5,  0,  5,  15, 10, 5,  14, 19, 5,  16, 11, 6,  10, 15,
                         5,  17, 12, 7,  11, 16, 5,  18, 13, 8,  12, 17, 5,  19,
                         14, 9,  13, 18, 5,  19, 18, 17, 16, 15};


        aDodecahedron->SetFaces(faces);
        aDodecahedron->Initialize();
        return aDodecahedron;
    }
}